326 to 350 of 439 Python Jobs in Central London

Software Engineer

Hiring Organisation
Harrington Starr
Location
City of London, London, United Kingdom
Quant Developer – Python/AWS - Full-time A quantitative trading firm is seeking a Quant Developer to join its engineering team. The role sits within the development function and works closely with the CTO, researchers, and trading teams to build and maintain the systems that support live trading strategies. … stack when required, including backend services, cloud infrastructure, and development tooling Required Experience Strong software engineering experience building and maintaining production systems Strong Python development skills Experience working with cloud platforms, particularly AWS Experience developing backend services or distributed systems Ability to work with complex existing codebases and improve reliability ...

QA Automation Engineer

Hiring Organisation
Noir
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £75,000 per annum
Automation Engineer - Wealth Management Technology - London/Hybrid (Key skills: QA Engineer, SDET, Test Automation, TypeScript, Python, C#, Playwright, Cypress, Selenium, API Testing, CI/CD, Agile, SQL, SalesForce, Git, DevOps, Financial Services, QA Engineer) Are you a QA Engineer with a strong software engineering mindset? Do you enjoy building … robust, scalable automation frameworks across web services and APIs. You'll work with modern tools such as Playwright/Cypress, alongside languages like TypeScript, Python and/or C#, to create high-quality, maintainable automated test suites that integrate seamlessly into CI/CD pipelines. You will collaborate closely with ...

Python Full Stack Developer

Hiring Organisation
Syntax Consultancy Limited
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 550 Daily
Python Full Stack Developer - Azure Databricks London (Hybrid) 6 Month Contract £550/day (Inside IR35) Python Full Stack Developer needed with active SC Security Clearance Azure Cloud and Azure Databricks click apply for full job details ...

Python Developer

Hiring Organisation
Durlston Partners
Location
City of London, London, United Kingdom
Python Developer - Algorithmic Trading - London Let's limit the corporate waffle here; our client is not building another to-do list app or the next social media (translation: advertising) giant. It's an elite algorithmic trading firm in London which is hiring a Python Developer to build, maintain and optimise … life? Design and implement core systesms which operate as the traffic control to an algorithmic trading operation Profile, optimise and ruthlessy refactor Python code Glue together the high performance C++ execution later with the core systems Designing the system to be as observable as possible by implementing monitoring, logging ...

Data Analyst Placement Programme

Hiring Organisation
Data Jobs at ITOL Recruit
Location
Kensington and Chelsea, Greater London, Kensington, United Kingdom
Employment Type
Permanent
employable as a data analyst. Microsoft excel - to expert level. Learn SQL - the programming language used for extracting data from more complex databases. Learn Python 3 - Python 3 is a simple to use programming language used by many analysts. Learn Tableau - Tableu is a tool which analysts use to build ...

Data Analyst Placement Programme

Hiring Organisation
Data Jobs at ITOL Recruit
Location
BT48, Derry, Derry City and Strabane, County Derry / Londonderry, United Kingdom
Employment Type
Permanent
Salary
£28000 - £40000/annum
employable as a data analyst. Microsoft excel - to expert level. Learn SQL - the programming language used for extracting data from more complex databases. Learn Python 3 - Python 3 is a simple to use programming language used by many analysts. Learn Tableau - Tableu is a tool which analysts use to build ...

Python Developer

Hiring Organisation
Thyme
Location
City of London, London, United Kingdom
Senior Software Engineer (Python) £85,000 - £100,000 Office Location: Central London (Hybrid) A global, high-growth Fintech firm is seeking a Senior Software Engineer to join its engineering team in Madrid. This organisation has expanded to over 600+ globally. This is an opportunity to take ownership of a mission … Product and Operations teams to ensure technical solutions align with global business goals. Technology & Environment Backend Engineering: Extensive experience with complex software systems using Python preferred; open to other OOP backgrounds Architecture: Building and managing services with standard APIs and external integrations. Observability: Incorporating robust monitoring, alerting, and reliability into ...

Quant Developer OTC Pricing

Hiring Organisation
James Joseph Associates Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
contributing not only to implementation but also to the design and refinement of pricing and liquidity models. The role combines research-oriented modelling in Python with production engineering in Java. You will use Python to analyse data, test ideas and support model development, while using Java to build and enhance … optimisation models within a high-performance Java framework Work alongside quantitative researchers to analyse large datasets and translate research into production-ready solutions Use Python for model prototyping, data analysis, signal investigation and backtesting activity Develop and improve pricing skew, spread and liquidity optimisation logic Design and implement automated hedging ...

Software Engineer (Systematic Hedge Fund)

Hiring Organisation
Radley James
Location
City of London, London, United Kingdom
Software Engineer – Java/Python London (On-site) This is a hands-on software engineering role within a systematic hedge fund where technology sits at the core of the business. The systems you build directly support trading, research, and core operations, and your work will have real, measurable impact. … join a well-established engineering team and work across a range of internal systems, primarily in Java, with exposure to Python and quantitative tooling. The role offers end-to-end ownership: taking requirements from idea through to production, working closely with engineers and business stakeholders to solve practical problems. ...

Fullstack Developer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £480/day
London - hybrid 1-2 days onsite every 2 weeks Inside IR35 - Umbrella only Skills required: Intermediate to advanced practical experience with: React and TypeScript Python AWS services i.e. Athena/Glue, DynamoDB, ECS, S3, Lambda, SQS, Step Function, etc Automated testing frameworks for Python and JavaScript Terraform for infrastructure ...

Software Engineer (Python/React) - Up to 140k + Bonus

Hiring Organisation
Hunter Bond
Location
City of London, London, United Kingdom
Software Engineer (Python/React) Location: London (Hybrid) Experience: 1-5 Years Sector: Elite FinTech Firm Compensation: Up to £140,000 Base + Industry Leading Bonus + Comprehensive Package A leading FinTech firm in London is seeking a talented Software Engineer to join its growing technology team. This … models • Quant Logic/Research models for Alpha Generation Key Responsibilities Design, develop, and maintain scalable, high-performance applications Build robust backend systems using Python and/or modern frontend interfaces using React Collaborate with cross-functional teams including traders and quants Requirements 1-5 years of professional software engineering ...

Lead PySpark Engineer

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£281 - £292/day 388
/ELT pipelines and Data Marts using PySpark, EMR, and Glue. Legacy Modernisation: Architect the conversion of SAS Base/Macros into modular, testable Python code using SAS2PY and manual refactoring. Performance Tuning: Optimise Spark execution (partitioning, shuffling, caching) to ensure cost-efficient processing of massive financial datasets. Quality & Governance … Implement rigorous CI/CD, unit testing, and data reconciliation frameworks to ensure "penny-perfect" accuracy. Technical Stack Engine: PySpark (Expert), Python (Clean Code/SOLID principles). AWS: EMR, Glue, S3, Athena, IAM, Lambda. Data Modeling: SCD Type 2, Fact/Dimension tables, Data Vault/Star Schema. Legacy ...

Full Stack Engineer

Hiring Organisation
BioTalent
Location
City of London, London, United Kingdom
Full Stack Developer (Python + Next.js) Full Time | On-site London, UK or Luxembourg Overview A fast-growing European technology company working at the intersection of AI and drug discovery is looking for a Full Stack Developer to join their engineering team. The organisation is building next-generation software platforms … full-stack platform that enables scientists to run and analyse complex biological simulations and experiments. Responsibilities include: Building and maintaining backend services in Python , including APIs and data-processing pipelines Developing frontend applications using Next.js and React Designing and implementing FastAPI endpoints for data-intensive application Writing robust tests using ...

Data Scientist - Transport & Logistics

Hiring Organisation
Harnham
Location
City of London, London, United Kingdom
across predictive modelling, geospatial analysis, and commercial analytics while collaborating closely with stakeholders across the business. Key Responsibilities • Build and deploy predictive models using Python and machine learning techniques • Conduct exploratory analysis across transport and mobility datasets • Perform geospatial analysis to understand customer journeys and station catchment areas • Work with … Analysts across the data function Key Details • Salary: Up to £52k • Working model: Hybrid – 2–3 days per week (near Waterloo Station) • Tech stack: Python, SQL, Azure, Microsoft Fabric, Power BI • Visa sponsorship: Not available Interested? Please apply below. ...

Senior Software Engineer C++

Hiring Organisation
REC SOLUTIONS LIMITED
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Senior Software Engineer C++ (Python, SQL, Linux, Trading, FinTech, Financial Technology, Low Latency, Backend) ***This is a hybrid role, 3 days remote and 2 days in the office*** Our client actively encourages diversity, equality and inclusion within its workforce and welcomes applications from a diverse background, REC Solutions Limited does … your thinking, then my client could be the ideal place for you to develop your career. Benefits (not exhaustive list): Senior Software Engineer C++ (Python, SQL, Linux, Trading, FinTech, Financial Technology, Low Latency, Backend) Competitive salary 25 days annual leave - not including bank holiday Private medical insurance Flexible working hours ...

ML & AI Engineer

Hiring Organisation
Vallum Associates
Location
City of London, London, United Kingdom
experience with a unified user interface. Evaluation methods – automating testing and evaluation of both deterministic and generative AI conversations. Required Skills Must Have Python – minimum 2+ years experience building production-grade LLM applications. Strong software engineering fundamentals, including microservices architecture, CI/CD pipelines, and event-driven architecture. AI Engineering … experience including: RAG pipelines Prompt engineering Vertex AI LLMOps and monitoring/evaluation of AI systems Data Engineering experience building scalable pipelines using Python or Spark. Experience with GCP services such as BigQuery, Spanner, Dataflow, and Firestore. Nice to Have Experience with Agentic AI frameworks such as LangGraph, ADK, CrewAI ...

Senior Backend Engineer

Hiring Organisation
Fruition Group
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£95,000
optimisation. Collaborate with cross-functional teams including product, design, and data science to deliver innovative, customer-focused solutions. Work with modern technologies such as Python, Django, Cloud Firestore, BigQuery, and Elasticsearch to deliver scalable, reliable software. Contribute to continuous improvement by identifying opportunities to enhance system architecture and code quality. … Degree in Computer Science or equivalent industry experience. 3+ years' experience in backend software development within a fast-paced, agile environment. Strong proficiency in Python (or similar modern backend language) and experience building RESTful APIs or microservices. Solid understanding of data structures, algorithms, and software design principles. Experience with cloud ...

Software Engineer (National Security)

Hiring Organisation
Frontier Resourcing
Location
City of London, London, United Kingdom
London 4 or 5 days a week on site Existing SC or DV Clearance is required National Security Sector Tech: JAVA/C++/Python - or Devops/Data Background An exciting opportunity has arisen for a Software Engineer to join a cutting-edge team developing impactful, mission-driven technology. … projects from initial concept through to delivery Analytical thinker who can decompose challenges and deliver iterative value Preferred Background Experience using Java, C++, or Python Understanding of data-intensive systems, backend services, or cloud-based platforms Familiarity with regulated, high-security, or mission-critical development contexts Confidence working in research ...

Full Stack Engineer

Hiring Organisation
TXP
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £540/day Inside IR35
Full Stack Engineers for a client in the financial service space. The client requires Engineers who have experience with UI, APIs, C#, AWS, Python and Terraform. You must be an excellent communicator, due to the work required on the project, along with experience in either R Programming, Delivery Management … finance, with sufficient domain familiarity to be productive quickly without significant onboarding in core financial concepts. Strong proficiency in the following technologies: C#, Python, SQL, Terraform, AWS Proven ability to work directly with stakeholders and users to understand problems and deliver effective solutions. Strong analytical and problem-solving skills with ...

Machine Learning Engineer

Hiring Organisation
Intellect Group
Location
City of London, London, United Kingdom
development, data pipelines, and deployment workflows that power business-critical platforms. 🔍 In this role, you’ll: 🤖 Build, train, and evaluate machine learning models using Python 📊 Work with large, complex datasets to support ML-driven products and insights 🧠 Assist with feature engineering, experimentation, and model optimisation ☁️ Contribute to data … related field 💼 0–2 years of experience in machine learning, AI, or software/data engineering (including internships, placements, or academic projects) 🐍 Strong Python skills for ML and data processing 🗄 Experience working with SQL and structured datasets ☁️ Familiarity with cloud platforms and modern data stacks 🧠 A solid understanding of machine ...

Software Engineer (Frontend)

Hiring Organisation
Orchestra
Location
City of London, London, United Kingdom
challenges regularly We're united by our mission, focused execution, and speed We deploy to production multiple times a day 🛠️ Tech Stack Backend: Python (FastAPI) + Typescript (express) Frontend: React + Typescript Infrastructure: AWS (serverless!), terraform Containerisation: Docker Database: PostgreSQL + DynamoDB CI/CD: GitHub actions + Blacksmith runners … speed, experimentation, and long-term code quality. Comfortable working with cloud-based platforms and collaborating closely with backend services and APIs. Bonus: Familiarity with Python or an interest in contributing beyond the frontend when needed. Benefits Competitive salary + equity Bi-annual offsite Regular team dinners + socials Choice ...

Senior Fullstack Engineer (Remote UK)

Hiring Organisation
TalentCo
Location
City of London, London, United Kingdom
TalentCo are delighted to be working with a fast-growing Agentic AI startup looking to hire a high-calibre Senior Fullstack Engineer into their growing engineering team in Europe, having recently closed a significant seed ...

Lead Python Developer

Hiring Organisation
Hireful
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 65,000 Annual
Senior Python Developer looking to help shape the future of how schools use technology to empower learners across the UK? Are you keen to lead and mentor a small but growing software development team, while remaining very hands on? We are searching for a Senior Python Developer/Lead Python ...

Python Software Engineer - Global Hedge Fund

Hiring Organisation
Paragon Alpha - Hedge Fund Talent Business
Location
City of London, London, United Kingdom
hedge fund, operating across all liquid asset classes with a strong, technology-driven and scientific approach to investing. Our client is looking for a Python Software Engineer to help evolve and scale their high-performance trading platform, delivering the speed and reliability that the fund relies on. You will … incident response, and collaborating closely with front-office developers, researchers, traders, and platform teams to improve reliability, performance, and scalability across the platform. Stack: Python, AWS, Linux The firm offers a highly collaborative culture with strong engineering ownership, direct exposure to front-office trading systems , and the opportunity to design ...

Full Stack Developer- (Angular + Python)

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£430 - £493/day
monitoring. Collaboration: Act as the technical point of contact for partners and mentor team members. What We're Looking For Core Stack: Expert-level Python (Backend) + Angular or React (Frontend). AI Knowledge: Practical experience with AI workflows, LLMs, or automation. Systems Mastery: Proven ability to build and debug ...